Cylinder Head Bolt Kit for Chevrolet Dart aluminum head exhaust bolts only, (8 pieces)

Cylinder Head Bolt Kit for Chevrolet Dart aluminum head exhaust bolts only, (8 pieces)High Performance head bolts are available with a reduced wrenching hex or 12 point and wide area flanged head that eliminates theneed for valve train removal to facilitate cylinder head retorquing. All High Performance Series bolts are 180,000 psi (which is 15%stronger than Grade 8) and kits come complete with hardened parallel ground washers. Material: 8740 Chrome Moly Finish: Black Material 2: Finish 2: Origin: USA

including the elimination of main cap walk and fretting

ARP only uses premium grade 8740 alloy anda proprietary ARP2000® alloy that are rated far superior to “aircraft”quality alloy steels

ARP offers High Performance Series bolts that aremade from a premium grade chrome moly and hardened to a nominal tensile strength of 180

each stud is centerless ground to makeit as close to perfectly concentric as possible

They have a tensile strength of 190

Pro Series main bolts are application-specific

Alternators that come loose are a pain

while bolt kits are shipped with the required flat washers

they’ve been known to break at the most inopportune time

ARP’s heat-treated 8740 chrome moly wheel studs are a much-needed replacement for any car engaged in oval track or drag racing competition

The popular High Performance Series is rated at 180

They’re nominally rated at 180